externalisevt.使 ... 形象化； 以外因来说明=externalize(美)externaladj.外来的；外部的；外面的；表面的n.外观；外部；外界事物external leakage loss外漏损失external os of uterus子宫外口external humeral seta肩外毛external virtual work外虚功external upset casing外加厚套管externally heated arc外部加热弧external synchronizer外同步器external page address外页面地址,外部页面地址external broadcasting外部广播,对外广播external otitis media外中耳炎